| /* |
| * Copyright (c) 2011 NeuStar, Inc. |
| * All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| * NeuStar, the Neustar logo and related names and logos are registered |
| * trademarks, service marks or tradenames of NeuStar, Inc. All other |
| * product names, company names, marks, logos and symbols may be trademarks |
| * of their respective owners. |
| */ |
| |
| |
| package main |
| |
| import ( |
| "kafka" |
| "flag" |
| "fmt" |
| ) |
| |
| var hostname string |
| var topic string |
| var partition int |
| var offsets uint |
| var time int64 |
| |
| func init() { |
| flag.StringVar(&hostname, "hostname", "localhost:9092", "host:port string for the kafka server") |
| flag.StringVar(&topic, "topic", "test", "topic to read offsets from") |
| flag.IntVar(&partition, "partition", 0, "partition to read offsets from") |
| flag.UintVar(&offsets, "offsets", 1, "number of offsets returned") |
| flag.Int64Var(&time, "time", -1, "timestamp of the offsets before that: time(ms)/-1(latest)/-2(earliest)") |
| } |
| |
| |
| func main() { |
| flag.Parse() |
| fmt.Println("Offsets :") |
| fmt.Printf("From: %s, topic: %s, partition: %d\n", hostname, topic, partition) |
| fmt.Println(" ---------------------- ") |
| broker := kafka.NewBrokerOffsetConsumer(hostname, topic, partition) |
| |
| offsets, err := broker.GetOffsets(time, uint32(offsets)) |
| if err != nil { |
| fmt.Println("Error: ", err) |
| } |
| fmt.Printf("Offsets found: %d\n", len(offsets)) |
| for i := 0 ; i < len(offsets); i++ { |
| fmt.Printf("Offset[%d] = %d\n", i, offsets[i]) |
| } |
| } |